Got it! I've got stereo FM radio working now. The root cause was a VIDIOC_S_TUNER command (which carried instructions to switch to stereo mode) which wasn't making it to the tuner core.
A new snapshot will be forthcoming. -Mike On Fri, 19 Jan 2007, Rick Macdonald wrote: > Rick Macdonald wrote: > > OK, I installed the USB2 onto a WinXP laptop. The WinTV Radio program > > is stereo. A red STEREO 'led' lights up, and there's a MONO toggle > > button that does what it says. My original package just says "FM radio > > receiver". It doesn't mention stereo (but their web site does). > > > > I thought I've seen on the web where other devices such as my PVR-150 > > explicitly state FM mono, but in most places it doesn't say either > > way. Rather than search again I think I'll boot up WinXP and see what > > happens. Not that the PVR-150 is of much interest to this list, but if > > it is also stereo under WinXP then the problem could be in low-level > > code shared by pvrusb2 and ivtv (or wherever it is). > > This is a resend - the first attempt never showed up. > > Well, I booted this PC into WinXP MCE and tried the internal > WinTV-PVR-150 (26552 LF NTSC/NTSC-J with Conexant CX23416-22) and lo and > behold, the FM radio is also stereo! > > So, my WinTV-PVR-150 plays FM mono through ivtv-radio (which just sets > the frequency and then runs aplay -f dat < /dev/video24), and the > PVR-USB2 plays FM mono with pvrusb2, but both devices are indeed stereo. > > But wait! After I booted back into Linux, my internal PVR-150 now plays > stereo FM! > > Unfortunately, the USB2 is still giving me mono. > > I hope this helps. > > ...RickM... > > > _______________________________________________ > pvrusb2 mailing list > [email protected] > http://www.isely.net/cgi-bin/mailman/listinfo/pvrusb2 > -- | Mike Isely | PGP fingerprint Spammers Die!! | | 03 54 43 4D 75 E5 CC 92 | isely @ pobox (dot) com | 71 16 01 E2 B5 F5 C1 E8 | | _______________________________________________ pvrusb2 mailing list [email protected] http://www.isely.net/cgi-bin/mailman/listinfo/pvrusb2
